1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03
11
12 // <filesystem>
13
14 // bool is_regular_file(file_status s) noexcept
15 // bool is_regular_file(path const& p);
16 // bool is_regular_file(path const& p, std::error_code& ec) noexcept;
17
18 #include "filesystem_include.hpp"
19 #include <type_traits>
20 #include <cassert>
21
22 #include "test_macros.h"
23 #include "rapid-cxx-test.hpp"
24 #include "filesystem_test_helper.hpp"
25
26 using namespace fs;
27
28 TEST_SUITE(is_regular_file_test_suite)
29
TEST_CASE(signature_test)30 TEST_CASE(signature_test)
31 {
32 file_status s; ((void)s);
33 const path p; ((void)p);
34 std::error_code ec; ((void)ec);
35 ASSERT_NOEXCEPT(is_regular_file(s));
36 ASSERT_NOEXCEPT(is_regular_file(p, ec));
37 ASSERT_NOT_NOEXCEPT(is_regular_file(p));
38 }
39
TEST_CASE(is_regular_file_status_test)40 TEST_CASE(is_regular_file_status_test)
41 {
42 struct TestCase {
43 file_type type;
44 bool expect;
45 };
46 const TestCase testCases[] = {
47 {file_type::none, false},
48 {file_type::not_found, false},
49 {file_type::regular, true},
50 {file_type::directory, false},
51 {file_type::symlink, false},
52 {file_type::block, false},
53 {file_type::character, false},
54 {file_type::fifo, false},
55 {file_type::socket, false},
56 {file_type::unknown, false}
57 };
58 for (auto& TC : testCases) {
59 file_status s(TC.type);
60 TEST_CHECK(is_regular_file(s) == TC.expect);
61 }
62 }
63
TEST_CASE(test_exist_not_found)64 TEST_CASE(test_exist_not_found)
65 {
66 const path p = StaticEnv::DNE;
67 TEST_CHECK(is_regular_file(p) == false);
68 std::error_code ec;
69 TEST_CHECK(is_regular_file(p, ec) == false);
70 TEST_CHECK(ec);
71 }
72
TEST_CASE(test_is_regular_file_fails)73 TEST_CASE(test_is_regular_file_fails)
74 {
75 scoped_test_env env;
76 const path dir = env.create_dir("dir");
77 const path file = env.create_file("dir/file", 42);
78 permissions(dir, perms::none);
79
80 std::error_code ec;
81 TEST_CHECK(is_regular_file(file, ec) == false);
82 TEST_CHECK(ec);
83
84 TEST_CHECK_THROW(filesystem_error, is_regular_file(file));
85 }
86
87 TEST_SUITE_END()
88